Home / 147,342.33-221,015.07-117,947.03

Finding the Fourth Proportional to 147,342.33, 221,015.07 and 117,947.03

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Solution

The fourth proportional to 147,342.33, 221,015.07 and 117,947.03 is: 176,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,342.33 : 221,015.07 = 117,947.03 : x
  2. Step 2: Convert to fraction form
    147,342.33/221,015.07 = 117,947.03/x
  3. Step 3: Cross multiply
    147,342.33x = 221,015.07 × 117,947.03
  4. Step 4: Simplify right side
    147,342.33x = 26,068,069,986.67
  5. Step 5: Solve for x
    x = 26,068,069,986.67/147,342.33
  6. Step 6: Final answer
    x = 176,921.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.